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8th grade math

the number that goes beneath the radical symbol is 20

Step-by-step explanation:

distance formula:

use the two coordinates given in the graph

i) (-3,3)

x1 = -3

y1 = 3

ii) (-1,-1)

x2 = -1

y2 = -1

substitute the values into the formula

yes

step-by-step explanation:

yes

answer: 33 ( approx)

step-by-step explanation:

since, in the linear regression formula, the slope is the a in the equation y = b + ax ( by comparing it with the general equation of line y = mx + c )

where,

here given table is,

price ($), x   :           18         23       25       29       30       33

pairs sold, y :         16         13         10       8         6       2

so, ,   ,   ,

and   ,

thus, slop of the given line is,

⇒  

⇒   ≈ 33